Frequently Asked Questions

We offer a comprehensive range of aluminum doors and windows including:

• Casement Windows: Side-hinged windows that open outward for excellent ventilation
• Sliding Windows: Horizontal sliding operation perfect for wide openings
• Tilt-Turn Windows: Versatile windows with both tilt and turn functionality
• Fixed Windows: Non-opening windows for maximum light and views
• Sliding Doors: Smooth sliding operation for easy access
• French Doors: Traditional hinged doors with glass panels
• Bi-fold Doors: Space-saving doors that fold to the side
• Lift & Slide Doors: Large doors that lift and slide for easy operation

Aluminum windows and doors offer numerous advantages:

• Durability: Aluminum is extremely strong and resistant to corrosion
• Low Maintenance: Requires minimal upkeep compared to wood or steel
• Energy Efficiency: Excellent thermal performance with thermal break technology
• Design Flexibility: Can be powder-coated in any color to match your design
• Weather Resistance: Performs well in extreme weather conditions
• Security: Strong and secure with multi-point locking systems
• Longevity: Can last 30+ years with proper maintenance

Thermal break technology is a crucial feature in energy-efficient aluminum windows and doors. It involves:

• Insulating Barrier: A non-conductive material (usually polyamide) placed between the inner and outer aluminum profiles
• Heat Transfer Prevention: Prevents thermal bridging, reducing heat loss and gain
• Energy Savings: Can reduce heating and cooling costs by up to 30%
• Condensation Prevention: Reduces the risk of condensation forming on the interior surfaces
• Comfort: Maintains more consistent indoor temperatures

We offer various glass options to meet different needs:

• Clear Glass: Standard transparent glass for maximum light transmission
• Low-E Glass: Energy-efficient glass with low emissivity coating
• Double Glazing: Two panes of glass with air or gas-filled space for insulation
• Triple Glazing: Three panes for maximum thermal performance
• Laminated Glass: Safety glass with PVB interlayer for security
• Tempered Glass: Heat-treated glass for strength and safety
• Tinted Glass: Colored glass for privacy and solar control
• Reflective Glass: Mirrored surface for privacy and solar control

We offer extensive color and finish options:

• Powder Coating: Available in RAL color chart (over 200 colors)
• Anodized Finish: Natural aluminum finish in various shades
• Wood Grain Finish: Aluminum with wood-like appearance
• Two-Tone Options: Different colors for interior and exterior
• Custom Colors: Special colors available for large orders

Yes, we offer comprehensive installation services including both local and remote support:

• Professional Installation: Our certified installers handle the entire process
• Site Survey: We conduct a thorough site survey before installation
• Preparation: We prepare the opening and ensure proper measurements
• Installation: Professional installation following industry standards
• Testing: We test all functions and ensure proper operation
• Cleanup: Complete cleanup after installation
• Warranty: Installation work is covered by our warranty

We provide comprehensive remote installation support services:

• 24/7 Online Technical Support: Round-the-clock technical guidance via chat, email, and video calls
• Video Installation Guides: Step-by-step video tutorials for each product type
• Live Video Support: Real-time video calls with our technical experts during installation
• Digital Documentation: Detailed installation manuals with 3D diagrams and specifications
• AR/VR Support: Augmented reality guidance for complex installations
• Progress Monitoring: Regular check-ins to ensure proper installation progress
• Quality Assurance: Remote inspection and testing guidance

Yes, we offer on-site technical support services:

• Chinese Technical Engineers: Experienced engineers available for on-site support
• Global Coverage: Technical engineers available in major markets worldwide
• Pre-Installation Survey: On-site assessment and measurement services
• Installation Supervision: Direct supervision of installation process
• Quality Control: On-site quality inspection and testing
• Training Services: Training for local installers and maintenance teams
• Emergency Support: Rapid response for critical installation issues
• Fee Structure: Competitive rates with transparent pricing

Our 24/7 online support provides comprehensive assistance:

• Multiple Channels: WhatsApp, WeChat, email, phone, and live chat
• Instant Response: Average response time under 5 minutes
• Video Calls: Face-to-face technical support via video conferencing
• Screen Sharing: Real-time screen sharing for technical guidance
• Document Sharing: Instant sharing of technical drawings and specifications
• Multi-language Support: Support in English, Chinese, Spanish, French, and German
• Follow-up Service: Continuous support throughout the installation process
• Record Keeping: Complete record of all support interactions

We offer comprehensive video support services:

• Installation Tutorials: Complete step-by-step installation videos
• Product Demonstrations: Detailed product feature demonstrations
• Maintenance Guides: Video guides for routine maintenance
• Troubleshooting Videos: Common problem identification and solutions
• Custom Videos: Personalized videos for specific installation scenarios
• Live Streaming: Real-time installation guidance via live video
• Video Library: Extensive library of technical videos
• Mobile Access: Videos accessible on mobile devices for on-site reference

On-site technical support requirements include:

• Advance Notice: Minimum 7 days notice for scheduling
• Site Access: Clear access to installation site
• Local Support: Local contact person for coordination
• Documentation: Complete project documentation and specifications
• Safety Requirements: Compliance with local safety regulations
• Travel Arrangements: Accommodation and transportation arrangements
• Visa Requirements: Valid work permits and visas if required
• Insurance: Appropriate insurance coverage for on-site work

On-site technical support pricing varies by location and scope:

• Daily Rate: $500-800 per day for technical engineer
• Travel Costs: Actual travel and accommodation expenses
• Project Duration: Discounts available for longer projects
• Location Factors: Pricing adjusted for local market conditions
• Scope of Work: Additional charges for specialized services
• Emergency Service: Premium rates for urgent support
• Package Deals: Comprehensive packages available for large projects
• Free Consultation: Initial consultation and assessment free of charge

Installation requirements include:

• Opening Preparation: Clean, level, and properly sized opening
• Structural Support: Adequate structural support for the weight
• Weather Conditions: Installation should be done in suitable weather
• Access: Clear access for delivery and installation
• Utilities: Temporary disconnection of utilities if needed
• Permits: Any required building permits must be obtained
• Safety Equipment: Appropriate safety equipment and procedures
• Quality Control: Inspection points and testing procedures

Installation time varies depending on the project:

• Single Window: 2-4 hours
• Multiple Windows: 1-2 days
• Sliding Door: 4-6 hours
• Bi-fold Door: 6-8 hours
• Complete House: 3-7 days
• Remote Support: Continuous support throughout the process
• On-site Support: Typically 1-3 days depending on complexity

Factors affecting installation time include complexity, weather conditions, and site accessibility.

While it's possible to install our products yourself, we strongly recommend professional installation because:

• Warranty: Self-installation may void the warranty
• Performance: Improper installation can affect performance
• Safety: Professional installation ensures safety
• Tools: Specialized tools and equipment are required
• Experience: Professional installers have the necessary experience
• Remote Support: We provide comprehensive remote support for DIY installations
• Video Guidance: Step-by-step video tutorials available
• 24/7 Support: Round-the-clock technical support during installation

If you choose to install yourself, we can provide detailed installation instructions, video support, and 24/7 technical assistance.

Our products meet high energy efficiency standards:

• Window U-values: 1.2-1.8 W/m²K (depending on glass configuration)
• Door U-values: 1.4-2.0 W/m²K
• Energy Rating: A+ to A+++ ratings available
• Solar Heat Gain Coefficient: 0.3-0.7
• Visible Light Transmittance: 60-85%
• Air Permeability: Class 4 (highest rating)
• Water Tightness: Class 9A (highest rating)

Our products are tested for various wind load conditions:

• Wind Load: Up to 3000 Pa (depending on product type)
• Pressure Rating: Class 5 (highest rating)
• Deflection Limit: L/150 (where L is the span)
• Safety Factor: 2.5 times the design load
• Testing Standards: EN 12210, EN 12211, EN 12212

We offer various hardware options:

• Handles: Lever handles, knob handles, pull handles
• Locks: Multi-point locks, deadbolts, mortise locks
• Hinges: Friction hinges, concealed hinges, butt hinges
• Stays: Friction stays, friction hinges, restrictors
• Finishes: Chrome, brass, stainless steel, powder-coated
• Security: High-security locks, keyed alike systems

Our frame systems come in various dimensions:

• Frame Depths: 50mm, 60mm, 70mm, 80mm, 100mm
• Profile Widths: 50mm, 60mm, 70mm, 80mm, 100mm
• Maximum Sizes: Up to 3m x 2.5m for windows, 6m x 3m for doors
• Profile Types: Standard, thermal break, high-performance
• Material Thickness: 1.2mm, 1.4mm, 1.6mm, 2.0mm

Delivery times vary depending on the order:

• Standard Products: 2-4 weeks
• Custom Products: 4-8 weeks
• Large Orders: 6-12 weeks
• Rush Orders: Available with additional charges

Delivery times may be affected by weather conditions, customs clearance, and order complexity.

Yes, we ship worldwide to over 50 countries:

• Europe: 2-3 weeks delivery
• North America: 3-4 weeks delivery
• Asia: 1-2 weeks delivery
• Australia: 3-4 weeks delivery
• Middle East: 2-3 weeks delivery

We handle all customs documentation and provide tracking information.

We accept various payment methods:

• Bank Transfer: T/T, L/C, D/P, D/A
• Credit Cards: Visa, MasterCard, American Express
• Online Payment: PayPal, Alipay, WeChat Pay
• Cryptocurrency: Bitcoin, Ethereum (for some orders)
• Trade Finance: Available for large orders

Yes, we provide samples for evaluation:

• Free Samples: Small samples of materials and finishes
• Sample Kits: Comprehensive sample kits available
• Custom Samples: Custom samples for specific requirements
• Shipping: Samples shipped worldwide
• Return Policy: Samples can be returned if not suitable

We offer comprehensive warranty coverage:

• Frame Warranty: 10 years on materials and workmanship
• Hardware Warranty: 5 years on mechanical components
• Glass Warranty: 5 years on glass units and seals
• Installation Warranty: 2 years on installation work
• Paint Warranty: 10 years on powder coating
• Anodizing Warranty: 15 years on anodized finishes

Warranty coverage includes:

• Manufacturing Defects: Defects in materials or workmanship
• Performance Issues: Failure to meet specified performance criteria
• Hardware Failure: Mechanical failure of hardware components
• Seal Failure: Failure of weather seals and gaskets
• Paint Defects: Peeling, cracking, or fading of paint
• Glass Defects: Manufacturing defects in glass units

Warranty exclusions include:

• Normal Wear: Normal wear and tear from use
• Improper Use: Damage from improper use or abuse
• Accidental Damage: Damage from accidents or impacts
• Weather Damage: Damage from extreme weather events
• Improper Installation: Damage from improper installation
• Modifications: Damage from unauthorized modifications

To make a warranty claim:

• Contact Us: Call or email our customer service
• Provide Details: Describe the issue and provide photos
• Order Information: Provide order number and purchase date
• Assessment: We'll assess the claim and determine coverage
• Resolution: We'll provide repair, replacement, or refund
• Documentation: Keep all documentation for your records